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PatchSiren cyber security CVE debrief

CVE-2018-0125 Cisco CVE debrief

CVE-2018-0125 is a Cisco VPN Routers remote code execution vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. For defenders, the important signal is not just the vulnerability type, but the fact that it is treated as known exploited and comes with a remediation deadline in the KEV entry.

Vendor
Cisco
Product
VPN Routers
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-25
Original CVE updated
2022-03-25
Advisory published
2022-03-25
Advisory updated
2022-03-25

Who should care

Organizations that operate Cisco VPN Routers, along with network, infrastructure, and vulnerability management teams responsible for patching and validating remote-access infrastructure.

Technical summary

The supplied records identify CVE-2018-0125 as a remote code execution vulnerability affecting Cisco VPN Routers. CISA’s KEV catalog marks it as known exploited and instructs affected parties to apply updates per vendor instructions. No additional technical preconditions or exploit details are provided in the supplied corpus.

Defensive priority

High. Inclusion in CISA’s Known Exploited Vulnerabilities catalog is a strong indicator of active abuse or credible exploitation risk, so affected environments should treat remediation as urgent.

Recommended defensive actions

  • Check whether any Cisco VPN Routers in your environment are affected by CVE-2018-0125.
  • Apply vendor-recommended updates as directed by Cisco.
  • Prioritize externally reachable VPN and remote-access devices for immediate assessment and remediation.
  • Verify remediation and document the device inventory so exposure can be tracked over time.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and the official links provided. The source item names CVE-2018-0125 as a Cisco VPN Routers remote code execution vulnerability, marks it as known exploited, and states the required action: apply updates per vendor instructions. The KEV entry dates are 2022-03-25 for addition and 2022-04-15 for the due date.

Official resources

CISA added CVE-2018-0125 to the Known Exploited Vulnerabilities catalog on 2022-03-25 and set a remediation due date of 2022-04-15. The catalog entry directs affected parties to apply updates per vendor instructions. Known ransomware-camp